Patents Assigned to Europenne De Retraitement De Catalyseurs Eurecat
  • Catalyst presulphuration process using two different presulphuration agents
    Patent number: 5985787
    Abstract: The invention concerns a novel presulphuration process for a hydrocarbon conversion catalyst. Presulphuration is preferably carried out offsite (ex-situ). The catalyst presulphuration process is characterized in that a presulphuration agent is used which contains (a) at least one first sulphur compound with a decomposition point T1 of less than 220.degree. C. and (b) at least one second sulphur compound with a decomposition point greater than about 220.degree. C.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: November 16, 1999
    Assignee: Europenne De Retraitement De Catalyseurs Eurecat
    Inventors: Pierre Dufresne, Nilanjan Brahma, Stephen R. Murff